Home / 161,659,275.91-223,089,890.25-87,319,836.07

Finding the Fourth Proportional to 161,659,275.91, 223,089,890.25 and 87,319,836.07

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Solution

The fourth proportional to 161,659,275.91, 223,089,890.25 and 87,319,836.07 is: 120,501,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,275.91 : 223,089,890.25 = 87,319,836.07 : x
  2. Step 2: Convert to fraction form
    161,659,275.91/223,089,890.25 = 87,319,836.07/x
  3. Step 3: Cross multiply
    161,659,275.91x = 223,089,890.25 × 87,319,836.07
  4. Step 4: Simplify right side
    161,659,275.91x = 19,480,172,645,504,288
  5. Step 5: Solve for x
    x = 19,480,172,645,504,288/161,659,275.91
  6. Step 6: Final answer
    x = 120,501,422.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.